Aegisub/subprojects/csri/frontends/cmdline/cmdmain.c

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/*****************************************************************************
* asa: portable digital subtitle renderer
*****************************************************************************
* Copyright (C) 2007 David Lamparter
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
****************************************************************************/
#ifdef HAVE_CONFIG_H
#include "acconf.h"
#endif
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <math.h>
#include <csri/csri.h>
#include <csri/logging.h>
#include <csri/openerr.h>
#include <csri/stream.h>
#include "render.h"
csri_rend *r;
static int do_usage(FILE *fd)
{
fprintf(fd, "usage: csri [COMMON-OPTIONS] COMMAND [COMMAND-OPTIONS]\n"
"\n"
"common options: [-r renderer [-s specific]]\n"
"\t-r\tselect a renderer, by name\n"
"\t-s\tselect a renderer version, by specific name\n"
"\n"
"commands:\n"
"\tlist\tshow installed renderers\n"
"\tinfo\tshow detailed renderer information\n"
"\trender\trender subtitle output\n"
#ifdef HAVE_LIBPNG
"\t\t-i FILE\t\tread background from PNG file\n"
"\t\t-o PREFIX\twrite output to PREFIX_nnnn.png\n"
#endif
"\t\t-A\t\tkeep alpha\n"
"\t\t-t [start][:[end][:[step]]]\tspecify timestamps to be rendered\n"
"\t\tSUBFILE\t\tsubtitle file to load\n"
"\n");
return 2;
}
static int do_list(int argc, char **argv)
{
unsigned num = 0;
if (argc)
return do_usage(stderr);
while (r) {
struct csri_info *info = csri_renderer_info(r);
if (!info)
continue;
printf("%s:%s %s, %s, %s\n", info->name, info->specific,
info->longname, info->author, info->copyright);
r = csri_renderer_next(r);
num++;
}
fprintf(stderr, "%u renderers found\n", num);
return num > 0 ? 0 : 1;
}
static csri_ext_id known_exts[] = {
CSRI_EXT_OPENERR,
CSRI_EXT_LOGGING,
CSRI_EXT_STREAM,
CSRI_EXT_STREAM_ASS,
CSRI_EXT_STREAM_TEXT,
CSRI_EXT_STREAM_DISCARD,
NULL
};
static const char *dummy_script = "[Script Info]\r\n"
"ScriptType: v4.00\r\n"
"[V4 Styles]\r\n"
"Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, "
"TertiaryColour, BackColour, Bold, Italic, BorderStyle, "
"Outline, Shadow, Alignment, MarginL, MarginR, MarginV, "
"AlphaLevel, Encoding\r\n"
"Style: Default,Arial,20,&HFFFFFF&,&H00FFFF&,&H000000&,&H000000&,"
"0,0,1,2,2,2,10,10,10,0,0\r\n"
"[Events]\r\n"
"Format: Marked, Start, End, Style, Name, "
"MarginL, MarginR, MarginV, Effect, Text\r\n"
"Dialogue: Marked=0,0:00:01.00,0:00:02.00,Default,,0000,0000,0000,,"
"test\r\n";
static const char *dummy_stream = "1,0,Default,,0000,0000,0000,,stream\r\n";
#define e(x) { #x, CSRI_F_ ## x }
#define ree(x) e(RGB ## x), e(x ## RGB), e(BGR ## x), e(x ## BGR)
static struct csri_fmtlistent {
const char *label;
enum csri_pixfmt fmt;
} csri_fmts[] = {
ree(A), ree(_),
e(RGB), e(BGR),
e(AYUV), e(YUVA), e(YVUA), e(YUY2), e(YV12A), e(YV12),
{ NULL, 0 }
};
static void listfmts()
{
csri_inst *i;
struct csri_fmtlistent *fmt;
struct csri_fmt f;
printf("\ntrying to get list of supported colorspaces:\n");
fflush(stdout);
i = csri_open_mem(r, dummy_script, strlen(dummy_script), NULL);
f.width = f.height = 256;
for (fmt = csri_fmts; fmt->label; fmt++) {
f.pixfmt = fmt->fmt;
if (!csri_request_fmt(i, &f))
printf("\t[%04x] %s\n", fmt->fmt, fmt->label);
}
csri_close(i);
}
static int do_info(int argc, char **argv)
{
struct csri_info *info;
csri_ext_id *id;
if (argc)
return do_usage(stderr);
info = csri_renderer_info(r);
if (!info)
return 1;
printf("%s:%s\n\t%s\n\t%s\n\t%s\n", info->name, info->specific,
info->longname, info->author, info->copyright);
printf("supported CSRI extensions:\n");
for (id = known_exts; *id; id++) {
void *rext = csri_query_ext(r, *id);
void *lext = csri_query_ext(NULL, *id);
if (lext || rext) {
printf("\t%s ", *id);
if (!lext)
printf("\n");
else if (!rext)
printf("[library only]\n");
else if (rext == lext)
printf("[emulated by library]\n");
else
printf("\n");
}
}
listfmts();
return 0;
}
static void logfunc(void *appdata, enum csri_logging_severity sev,
const char *message)
{
char severity[32];
switch (sev) {
case CSRI_LOG_DEBUG: strcpy(severity, "[debug]"); break;
case CSRI_LOG_INFO: strcpy(severity, "[info]"); break;
case CSRI_LOG_NOTICE: strcpy(severity, "[notice]"); break;
case CSRI_LOG_WARNING: strcpy(severity, "[warning]"); break;
case CSRI_LOG_ERROR: strcpy(severity, "[error]"); break;
default: snprintf(severity, 32, "[%d?]", (int)sev);
}
fprintf(stderr, "%-10s %s\n", severity, message);
}
static int real_render(double *times, const char *infile, const char *outfile,
const char *script, enum csri_pixfmt pfmt)
{
struct csri_frame *bg, *a;
csri_inst *inst;
struct csri_fmt fmt;
double now;
int idx;
uint32_t width = 640, height = 480;
bg = infile ? png_load(infile, &width, &height, pfmt)
: frame_alloc(width, height, pfmt);
a = frame_alloc(width, height, pfmt);
if (!bg || !a) {
fprintf(stderr, "failed to allocate frame\n");
if (!bg)
fprintf(stderr, "\t- problem with background.\n");
return 2;
}
inst = csri_open_file(r, script, NULL);
if (!inst) {
fprintf(stderr, "failed to open script \"%s\"\n", script);
return 2;
}
fmt.pixfmt = pfmt;
fmt.width = width;
fmt.height = height;
if (csri_request_fmt(inst, &fmt)) {
fprintf(stderr, "format not supported by renderer\n");
return 2;
}
idx = 0;
for (now = times[0]; now <= times[1]; now += times[2]) {
frame_copy(a, bg, width, height);
csri_render(inst, a, now);
if (outfile) {
char buffer[256];
snprintf(buffer, sizeof(buffer),
"%s_%04d.png", outfile, idx);
printf("%s\n", buffer);
png_store(a, buffer, width, height);
}
idx++;
}
csri_close(inst);
inst = NULL;
frame_free(bg);
frame_free(a);
return 0;
}
static int do_render(int argc, char **argv)
{
double times[3] = {0.0, 0.0, 1.0};
const char *outfile = NULL, *infile = NULL;
struct csri_fmtlistent *fmte;
int keepalpha = 0;
enum csri_pixfmt fmt = ~0U;
argv--, argc++;
while (1) {
int c, i;
const char *short_options = "t:o:i:F:A";
char *arg, *end, *err;
struct option long_options[] = {
{"time", 1, 0, 't'},
{"output", 1, 0, 'o'},
{"input", 1, 0, 'i'},
{"format", 0, 0, 'F'},
{"alpha", 0, 0, 'A'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, short_options, long_options, NULL);
if (c == -1)
break;
switch (c) {
case 't':
arg = optarg;
for (i = 0; i < 3; i++) {
end = strchr(arg, ':');
if (end)
*end = '\0';
if (*arg) {
times[i] = strtod(arg, &err);
if (*err) {
fprintf(stderr,
"invalid time: %s\n",
arg);
return do_usage(stderr);
}
}
if (!end)
break;
arg = end + 1;
}
break;
case 'i':
infile = optarg;
break;
case 'o':
outfile = optarg;
break;
case 'A':
if (fmt != ~0U)
return do_usage(stderr);
keepalpha = 1;
break;
case 'F':
if (keepalpha || fmt != ~0U)
return do_usage(stderr);
for (fmte = csri_fmts; fmte->label; fmte++)
if (!strcmp(fmte->label, optarg))
break;
if (!fmte->label)
return do_usage(stderr);
fmt = fmte->fmt;
break;
default:
return do_usage(stderr);
};
}
if (fmt == ~0U)
fmt = keepalpha ? CSRI_F_RGBA : CSRI_F_RGB_;
if (!isfinite(times[0])) {
fprintf(stderr, "invalid start time\n");
return do_usage(stderr);
}
if (!isfinite(times[1]) || times[1] < times[0]) {
fprintf(stderr, "invalid end time\n");
return do_usage(stderr);
}
if (!isnormal(times[2]) || times[2] < 0.0) {
fprintf(stderr, "invalid end time\n");
return do_usage(stderr);
}
if (argc - optind != 1) {
fprintf(stderr, "script name missing\n");
return do_usage(stderr);
}
return real_render(times, infile, outfile, argv[optind], fmt);
}
static int do_streamtest(int argc, char **argv)
{
const char *outfile = NULL;
struct csri_fmtlistent *fmte;
enum csri_pixfmt pfmt = ~0U;
struct csri_frame *bg, *a;
csri_inst *inst;
struct csri_fmt fmt;
uint32_t width = 640, height = 480;
struct csri_stream_ext *sext;
argv--, argc++;
while (1) {
int c;
const char *short_options = "o:F:";
struct option long_options[] = {
{"output", 1, 0, 'o'},
{"format", 0, 0, 'F'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, short_options, long_options, NULL);
if (c == -1)
break;
switch (c) {
case 'o':
outfile = optarg;
break;
case 'F':
if (pfmt != ~0U)
return do_usage(stderr);
for (fmte = csri_fmts; fmte->label; fmte++)
if (!strcmp(fmte->label, optarg))
break;
if (!fmte->label)
return do_usage(stderr);
pfmt = fmte->fmt;
break;
default:
return do_usage(stderr);
};
}
if (pfmt == ~0U)
pfmt = CSRI_F_RGB_;
sext = (struct csri_stream_ext *)csri_query_ext(r,
CSRI_EXT_STREAM_ASS);
if (!sext) {
fprintf(stderr, "renderer does not support ASS streaming\n");
return 2;
}
bg = frame_alloc(width, height, pfmt);
a = frame_alloc(width, height, pfmt);
if (!bg || !a) {
fprintf(stderr, "failed to allocate frame\n");
return 2;
}
inst = sext->init_stream(r, dummy_script, strlen(dummy_script), NULL);
if (!inst) {
fprintf(stderr, "failed to initialize stream\n");
return 2;
}
fmt.pixfmt = pfmt;
fmt.width = width;
fmt.height = height;
if (csri_request_fmt(inst, &fmt)) {
fprintf(stderr, "format not supported by renderer\n");
return 2;
}
frame_copy(a, bg, width, height);
csri_render(inst, a, 1.75);
if (outfile) {
char buffer[256];
snprintf(buffer, sizeof(buffer),
"%s_nstream.png", outfile);
printf("%s\n", buffer);
png_store(a, buffer, width, height);
}
frame_copy(a, bg, width, height);
sext->push_packet(inst, dummy_stream, strlen(dummy_stream),
1.5, 2.0);
csri_render(inst, a, 1.75);
if (outfile) {
char buffer[256];
snprintf(buffer, sizeof(buffer),
"%s_stream.png", outfile);
printf("%s\n", buffer);
png_store(a, buffer, width, height);
}
csri_close(inst);
inst = NULL;
frame_free(bg);
frame_free(a);
return 0;
}
int main(int argc, char **argv)
{
struct csri_logging_ext *logext;
if (argc < 2)
return do_usage(stderr);
logext = (struct csri_logging_ext *)csri_query_ext(NULL,
CSRI_EXT_LOGGING);
if (logext && logext->set_logcallback)
logext->set_logcallback(logfunc, NULL);
else
fprintf(stderr, "warning: unable to set log callback\n");
r = csri_renderer_default();
argc--, argv++;
if (!strcmp(argv[0], "list"))
return do_list(argc - 1, argv + 1);
if (!strcmp(argv[0], "-r")) {
const char *name = NULL, *spec = NULL;
if (argc < 2)
return do_usage(stderr);
name = argv[1];
argc -= 2, argv += 2;
if (!strcmp(argv[0], "-s")) {
if (argc < 2)
return do_usage(stderr);
spec = argv[1];
}
r = csri_renderer_byname(name, spec);
if (!r) {
fprintf(stderr, "renderer %s:%s not found.\n",
name, spec ? spec : "*");
return 2;
}
}
if (!strcmp(argv[0], "info"))
return do_info(argc - 1, argv + 1);
if (!strcmp(argv[0], "render"))
return do_render(argc - 1, argv + 1);
if (!strcmp(argv[0], "streamtest"))
return do_streamtest(argc - 1, argv + 1);
return do_usage(stderr);
}